How Cardlytics’ stock fares over the next several weeks could offer an early test on how tech IPOs fare in 2018 after the last two years proved to be duds.

There’s growing optimism again, now that cloud-storage company Dropbox, a longtime IPO holdout, confidentially filed to go public in mid-2018 with lead underwriters Goldman Sachs Group and JPMorgan Chase. The San Francisco–based company, which was last valued at $10 billion and claims a revenue run rate of $1 billion, could trigger a wave of high-profile technology listings this year, some argue. Some venture capitalists and executives expect fewer, but larger, IPOs involving enterprise companies.

BofA Merrill Lynch and J.P. Morgan are joint book-runners for Cardlytics’ IPO. In the nine months ending in September, Cardlytics lost $16 million on sales of $91 million.